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EP 4 433 252 A1

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(43) Date of publication: 25.09.2024 Bulletin 2024/39 (21) Application number: 22829649.7 (22) Date of filing: 14.11.2022

(51) International Patent Classification (IPC):  B23K 26/035(2014.01) B23K 26/32(2014.01) B23K 26/24(2014.01) B23K 26/06(2014.01) (52) Cooperative Patent Classification (CPC): B23K 26/035; B23K 26/24; B23K 26/32; B23K 26/0604; B23K 2103/10; B23K 2103/166; Y02E 60/10 (86) International application number: PCT/CN2022/131652 (87) International publication number: WO 2023/088204 (25.05.2023 Gazette 2023/21)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 16.11.2021 CN 202111355727 (71) Applicant: Trumpf (China) Co., Ltd. Taicang, Jiangsu 215400 (CN)

(72) Inventors: WANG, Weiyu Nanjing Road Taicang, Jiangsu 215400 (CN) HOU, Zekai Nanjing Road Taicang, Jiangsu 215400 (CN) LEHLEUTER, Franz Nanjing Road Taicang, Jiangsu 215400 (CN) LIU, Yuan Nanjing Road Taicang, Jiangsu 215400 (CN) ZHANG, Lu Nanjing Road Taicang, Jiangsu 215400 (CN) (74) Representative: Kohler Schmid Möbus Patentanwälte  Partnerschaftsgesellschaft mbB Gropiusplatz 10 70563 Stuttgart 70563 Stuttgart (DE)